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Flanges |
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- The stock range covers 1251b, 1501b, 3001b, 6001b, 9001b, 15001b, 25001b, 3000PSI, 5000PSI & 10000PSI
- Blind Flange, Slip on Welding Flange, Welding Neck Flange, Threaded Flange, Lap Joint Flange, Girth Flange, Steel Ring Flange, Hub Flange, Pad Flange, Swivel Flange, hanger Flange, H-type/S-type Nozzle Flange, Nippolet Flange, Thread Flange, orifice Flange, Oil Pressure Flange, RTJ Flange, Long Welding Flange, Composite Flange, Solid Flange, Flat Flange.
- FLANGES FACING
- RAISED FACE, FLAT FACE, LAPPED JOINT FACE, LARGE MALE-FEMALE, SMALL MALE&FEMALE, LARGE TONGUE & GROOVE, SMALL TONGUE & GROOVE, RING JOINT & ETC...
Sizes:
- 1/2” to 48".Larger sizes are available on demand
Specifications governing the properties of carbon steel flanges are:
- Physical and Chemical: ASTM A-105
- Dimensional: ANSI B16.5, B16.1, MSS SP-44, and API 605
CARBON STEEL
- A105, API 605, API16B, 6BX, BS 4505, SAB S1123, SA266CL2 & 4
HIGH TENSILE CARBON STEEL
- A694 F42, F46, F52, F56, F60, F65, F70, F80
ALLOY STEEL
- A182 F1, F12, F22, F5, F9
LOW TEMPERATURE
- A350 LF2, A350 LF3
DUPLES STEEL
- ST UNS S31803, S32760
STAINLESS STEEL
- A182-F304/304L, A316/316L, F317,F321, F51,F310,F51,F 310, F316Ti
COPPER NICKEL - OFFSHORE & MARINE/SHIPBUILDING STANDARD 90/10 to EEMUA 145 |
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CARBON STEEL: |
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| Size Range: |
0.5"-12" 150-300 LBS |
| Material : |
Carbon Steel
Flanges like Slip-On, Weld-Neck, Blind, Lap-Joint & Threaded. |
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DIN: |
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| Size Range: |
10 to 300 DIN: 2573, 2576, 2631,
2632, 2633, 2634, 2635, 2642, 2673 |
| Material : |
C-22.8 & Rst and as per customer's
specification. |
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PLATE: |
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| Size Range: |
0.5"-12" |
| Material : |
M.S. And as
per customer's specification. |
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SLIP-ON: |
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| Size Range: |
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| Material : |
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WELD-NECK: |
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| Size Range: |
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| Material : |
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BLIND: |
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| Size Range: |
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| Material : |
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SOCKET: |
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| Size Range: |
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| Material : |
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THREADED: |
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| Size Range: |
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| Material : |
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LAP-JOINT: |
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| Size Range: |
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| Material : |
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DIN: |
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| Size Range: |
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| Material : |
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PLATE: |
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| Size Range: |
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| Material : |
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Material Specifications
| Material |
ASTM Specification |
Nominal Composition |
Minimum |
| Number |
Grade |
Tensile
Strength |
Yield
Point |
Form |
CARBON
STEEL |
A53
A105
A106
A134
A139
A155
A515
A516
A333 |
A
B
-
A
B
C
-
A
B
-
55
60
65
70
6 |
Low Carbon
Low Carbon
0.35% C max., 0.60-1.05% Mn
0.25% C max., 0.27-0.93% Mn
0.30% C max., 0.29-1.06% Mn
0.35% C max., 0.29-1.06% Mn
Low Carbon
Low Carbon, 1.00% Mn Max.
0.30% C max., 1.00% Mn Max.
Low Carbon & Low Alloy
Carbon Silicon
Carbon-Manganese-Silicon
(Fine Grain)
0.30% C max. 0.29-1.06% Mn |
48,000
60,000
70,000
48,000
60,000
70,000
-
48,000
60,000
-
55,000
60,000
65,000
70,000
60,000 |
30,000
35,000
36,000
30,000
35,000
30,000
-
30,000
35,000
-
30,000
32,000
35,000
38,000
35,000 |
Tabular
Forging
Tabular
Tabular
Tabular
Plate
Tabular
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ALLOY
STEELS |
A182
A204
A333
A335
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F1
F5
F9
F12
F22
A
B
C
3
4
P1
P2
P5
P5b
P5c
P7
P9
P11
P12
P15
P22 |
0.28% C Max., 0.60-0.90% Mn
0.44-065 Max. Mo
4-6% Cr., 0.44-0.65 Mo
9% Cr, 1% Mo
1% Cr, 0.50% Mo
2.25% Cr, 1% Mo
Carbon Moly Steels
0.19% C max., 3.5% Nil
0.12% C max., 0.75% Cr, 0.50% Cu
0.10-0.20 C, 0.50% Mo
0.50% Cr, 0.50 Mo
4-6% Cr, 0.50% Mo
4-6% Cr, 1-2% Si, 0.5% Mo
4-6% Cr, 0.50% Mo, Ti or Cb stablized
7% Cr, 0.50% Mo
9% Cr, 1% Mo
1.25% Cr, 0.50% Mo, 0.50-1% Si
1% Cr, 0.50% Mo
1.15-1.65% Si, 0.50% Mo
2.25% CR, 1% Mo |
70,000
70,000
85,000
70,000
70,000
65,000
70,000
75,000
65,000
60,000
55,000
60,000 |
40,000
40,000
55,000
40,000
45,000
37,000
40,000
43,000
35,000
35,000
30,000
30,000 |
Forging
Plate
Tabular
Tabular
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A350 |
LF3 |
0.20% C max., 3.5% Ni |
70,000 |
37,500 |
Forging |
STAINLESS
STEEL |
A182
A286
A312
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F6
F304
F310
F316
F321
F347
TP410
TP430
TP304
TP309
TP310
TP316
TP317
TP321 |
13% Cr, 1% Si Max.
18% Cr, 8% Ni
25% Cr, 12% Ni 2-3% Mo
18% Cr, 12% Ni, 2-3% Mo
18% Cr, 10% Ni, Ti stabilized
18% Cr, 10% Ni, Cb stabilized
11.50-13.50% Cr
16-18% Cr
18% Cr, 8% Ni
23% Cr, 12% Ni
25% Cr, 20% Ni
18% Cr, 12% Ni, 2-3% Mo
18% Cr, 12% Ni, 3-4% Mo
18% Cr, 10 Ni, Ti stabilized |
85,000
75,000
75,000
75,000
75,000
75,000
65,000
60,000
75,000
75,000
75,000
75,000
75,000
75,000 |
55,000
30,000
30,000
30,000
30,000
30,000
37,000
35,000
30,000
30,000
30,000
30,000
30,000
30,000 |
Forging
Tabular
Tabular
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Threaded, Slip-On, Lap Joint
And Blind Flanges |
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Welding Neck Flanges |
Outside
Diameter* |
When O.D. is
24" or less |
+- 1/16" |
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Outside
Diameter |
When O.D. is
24" or less |
+- 1/16" |
When O.D. is
over 24" |
+- 1/8" |
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When O.D. is
over 24" |
+- 1/8" |
Inside
Diameter |
Threaded |
Within limits on
boring guage |
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Inside
Diameter |
10" and smaller
12" through 18"
20" and larger |
+- 1/32"
+- 1/16"
+ 1/8", -1/16" |
Slip-On and
Lap Joint
10 " and smaller |
+ 1/32", -0" |
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Diameter
of Contact
Face |
1/16" Raised Face
1/4" Raised Face
Tongue and
Groove or Male
and Female |
+- 1/32"
+- 1/64" |
| 12" and larger |
-1/16", -0" |
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Diameter
of Hub at point
of welding |
5" and Smaller
6" and larger |
+ 3/32", -1/32
+ 5/32", -1/32" |
Diameter of
Counterbore |
Same as for
Inside Diameter |
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Diameter of
Hub at Base* |
When hub Base is
24" or less
When hub Base is
over 24" |
+- 1/16"
+- 1/8" |
Diameter of
Contact Face |
1/16" Raised Face
1/4" Raised Face
Tongue and
Groove or Male
and Female |
+- 1/32"
+- 1/64" |
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Drilling |
Bolt Circle
Bolt hole spacing |
+- 1/16"
+- 1/32" |
Outside
Diameter
of Hub |
12" and Smaller
14" and Larger |
+ 3/32", -1/16"
+- 1/8" |
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Eccentricity Bolt
Circle & Facing
(with Respect
to Bore) * |
2/12" and smaller
3" and larger |
1/32" max.
1/16" max. |
| Drilling |
Bolt Circle
Bolt hole Spacing |
+- 1/16"
+- 1/32" |
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Length Thru Hub* |
10" and smaller
12" and larger |
+- 1/16"
+- 1/8" |
Eccentricity Bolt
Circle & Facing
(with Respect
to Bore*) |
21/2" and smaller |
1/32" max. |
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Thickness |
18" and smaller |
+- 1/8", -0" |
Length Thru
Hub* |
18" and smaller
20" and larger |
+ 1/8", -1/6"
+ 3/16", -1/16" |
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20" and larger |
+ 3/16", -0" |
| Thickness |
18" and smaller
20" and larger
Where allowance
has been left on
face for finish
All Sizes* |
+ 1/8", -0"
+ 3/6" -0"
+- 1/8", -1/16" |
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Where allowance
has been left on
face for finish
All sizes* |
+ 1/8", -1/16" |
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